calibre
/ˈkælɪbə(r)/( <美> caliber)
noun
1
- mass noun the quality of someone's character or the level of their ability（人的）品质; 能力, 才能：
they could ill afford to lose a man of his calibre.
他们不能失去像他那样才华横溢的人。
1.1
- the standard reached by something标准; 水准：
educational facilities of a very high calibre.
具有很高标准的教育设施。
2
- the internal diameter or bore of a gun barrel（枪管的）内径; 口径：
in combination a.22 calibre repeater rifle.一支0.22口径的连发枪。
2.1
- the diameter of a bullet, shell, or rocket（子弹、炮弹或火箭的）直径。
2.2
- the diameter of a body of circular section, such as a tube, blood vessel, or fibre（管、血管或纤维等圆截面的）直径。
派生词
calibred
adjective also in combination词源
mid 16th cent. （in the sense 'social standing or importance'）： from French, from Italian calibro, perhaps from Arabic ḳālib 'mould', based on Greek kalapous 'shoemaker's last'.